How do I know if this flow meter / flow detector is the one for my boiler?

Verify the reference S5720200 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.

The flow meter/flow detector detects the passage of water to activate the domestic hot water (DHW).

Does not provide hot water when the tap is opened even though there is flow?

The flow meter turbine does not detect water flow.

Which models is it suitable for?

Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.

Installation and recommendations

Check the turbine and ensure it is not blocked by limescale.

What does refurbished mean and what coverage does it have?

Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

RefurbishedSaunier Duval Flow Detectors

Saunier Duval Domestic Flow Meter ThemaClassic F25E Ref. S5720200

Name: Saunier Duval Domestic Flow Meter ThemaClassic F25E Ref. S5720200
Brand: Saunier Duval
SKU: FLUXF25E
Price: 25 EUR
Availability: InStock

25 €VAT includedIn stock · 2 units

Flow meter: refurbished spare part that detects water flow to activate domestic hot water. Useful if no hot water comes out when the tap is opened despite there being flow. Compatible with ThemaClassic C24E, ThemaClassic C25E, ThemaClassic F24E (ref. S5720200). Includes a one-year warranty and delivery within 2–4 working days in the EU.

Consult via WhatsApp

Not sure if it's your part? Send us a photo of the screen printing via WhatsApp and we'll confirm compatibility before you purchase.

Delivery in 2–4 working days

1-year warranty

14-day return

Technical support

Key Data

Reference: S5720200
Brand: Saunier Duval
Type of part: Flow Detectors
Available units: 2 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. S5720200) equips these models. Verified compatibility; check the reference before purchasing.

ThemaClassic

ThemaClassic C24E
ThemaClassic C25E
ThemaClassic F24E
ThemaClassic F25E

Themafast

Themafast C24E
Themafast C25E
Themafast C28E
Themafast Condens F24E
Themafast Condens F25

Thematek

Thematek C24E
Thematek F24E
Thematek S C24E
Thematek S F24E

Isofast

Isofast C28E
Isofast C35E
Isofast F28E
Isofast Condens F30E
Isofast Condens F35E

Isomax

Isomax C28E
Isomax F28E
Isomax Condens F35E

Isotwin

Isotwin C24EA
Isotwin C28EA
Isotwin F24E
Isotwin F28EA

Opalia

Opalia C16E
Opalia F11E
Opalia F14E
Opalia F17E

Thema NOx / Thema Condens

Thema NOx F25
Thema Condens F24E
Thema Condens F25

Semia

Semia F24

How do I know if this flow meter / flow detector is the one for my boiler?: Verify the reference S5720200 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.
What is it used for?: The flow meter/flow detector detects the passage of water to activate the domestic hot water (DHW).
Does not provide hot water when the tap is opened even though there is flow?: The flow meter turbine does not detect water flow.
Which models is it suitable for?: Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations: Check the turbine and ensure it is not blocked by limescale.
What does refurbished mean and what coverage does it have?: Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.